XML 43 R99.htm IDEA: XBRL DOCUMENT v3.20.1
Other Investments - Mortgage Servicing Rights (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Servicing Asset at Fair Value, Amount [Roll Forward]        
Balance at beginning of period $ 151,582      
Additions     $ 0 $ 223
Changes in fair value due to:        
Balance at End of Period 282,743   151,582  
Mortgage servicing rights        
Servicing Asset at Fair Value, Amount [Roll Forward]        
Balance at beginning of period 42,224 $ 60,281 60,281  
Additions 0 104    
Changes in fair value due to:        
Changes in assumptions (16,746) (3,586)    
Other changes (1,862) (1,515)    
Balance at End of Period 23,616 55,284 $ 42,224 $ 60,281
Servicing income 3,311 3,610    
Cost of sub-servicer (478) (503)    
Net servicing fee income 2,833 3,107    
Market valuation changes of MSRs (18,608) (5,101)    
Market valuation changes of associated derivatives 13,966 2,251    
MSR Income, Net $ (1,809) $ 257